Patriots' Day is a special Massachusetts State holiday commemorating the opening battle of the American Revolutionary War, April 19, 1775. The holiday (Officially observed on Monday, April 16, 2018), and the entire weekend, is celebrated with parades, reenactments and commemorative ceremonies.
Toxicogenomics is a field of science that deals with the collection, interpretation, and storage of information about gene and protein activity within particular cell or tissue of an organism in response to toxic substances.
Exometabolomics, or metabolic footprinting, is the study of extracellular metabolites. It uses many techniques from other subfields of metabolomics, and has applications in biofuel development, bioprocessing, determining drugs' mechanism of action, and studying intercellular interactions.